Server 2

# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
allow-hotplug eth0
allow-hotplug eth1
allow-hotplug bond0

iface bond0 inet static
    address 10.0.0.102
    netmask 255.255.255.0
    network 10.0.0.0
    broadcast 10.0.0.255
    gateway 10.0.0.1
    # dns-* options are implemented by the resolvconf package, if installed
    dns-nameservers 8.8.8.8 8.8.4.4
    dns-search example.com

    up /sbin/ifenslave bond0 eth0 eth1
    down /sbin/ifenslave -d bond0 eth0 eth1

    # Ucarp ID (cluster id, must be equal on the servers)
    ucarp-vid 3
    # The virtual shared ip
    ucarp-vip 10.0.0.100
    # Secret password
    ucarp-password Topsecret42
    # priority - lower is better
    ucarp-advskew 100
    ucarp-advbase 1
    # Should only be set on one server
    ucarp-master no

iface bond0:ucarp inet static
    # Same virtual ip as above
    address 10.0.0.100
    netmask 255.255.255.255